I desire to begin investing asap so I started the process of  learning as much as I can by reading and watching videos.

This ensures that any payout for damage or liability can be processed more smoothly, and it can help protect your interests if something happens on the property. 

- If they are not making their payment, start eviction process with an experienced landlord-tenant attorney.

Do one task at a time in each app to compare apples to apples.Load a property with pictures and details.Market that property.See what your marketing looks like from the public's perspective.Submit a fake application to see how easy the process is.

My suggestions would be in this order:(a) Determine the type of financing you qualify for - this will short cut the process considerably and save time on investment angles and next steps.

I really scaled up my number of doors the last couple of years and didn't bring any new processes to the table and it feels like a mess.

Quote from @Jin Zhang: You initiate the process by filing a 3-day Notice.

Always happy to swap ideas and keep refining this process.

I would look into the process of making that legal space.

If you conduct yourself as a serious investor truly looking to work with that PM than they will likely help you through the process, especially if you use them as an agent.